6-12
Set temperature 0˚C
Occurrence read out from the recording chart
Though the temperature record is normal, the
temperature rapidly rises.
Abnormal content and abnormal point
The compressor stops due to malfunction or
the fusible safety plug is molten.
Set point temperature – 18˚C
Occurrence read out from the recording chart
Though defrosting is periodically executed, the
inside temperature gradually rises.
Abnormal content and abnormal point
Due to the insufficient cooling capacity, the
inside temperature rises.
Refrigerant amount is short due to leakage.
Compressor valve is broken.
Expansion valve or liquid solenoid valve are
clogged.
High pressure rises due to shortage of air
flow rate of the condenser, etc.
Set temperature – 18˚C
Occurrence read out from the recording chart
The recorder temperature suddenly varies.
Abnormal content and abnormal point
The connector in the temperature recorder is in
poor contact.
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